ska 
(skä)
(skä)n.
Popular music originating in Jamaica in the 1960s, having elements of rhythm and blues, jazz, and calypso, a fast tempo, and a strong accent placed on the offbeat.
[From the phrase (Love) Ska(voovie), greeting used by Jamaican bassist Cluet Johnson, one of the early creators of ska, or imitative of the sound of a guitar in tandem with a rim click on a snare drum.]